#include <stdio.h>
#include <math.h>
main()
{
    //lekai
    double y;
    int x,m;
    for (y=1;y>=-1;y-=0.1){
        m=acos(y)*10;
        for (x=1;x<m;x++)printf(" ");
        printf("*");
        for(;x<62-m;x++)printf(" ");
        printf("*\n");
    }
    
}